Magnetostatic Waves and Their Application

Magnetostatic Waves and their Applications is the first book devoted to magnetostatic waves. The book gives a thorough review of the field suitable for scientists, engineers and advanced students involved in magnetism and microwave electronics new to this area. It covers the field from essential physics to applications in microwave electronics, with details of the materials and materials processing methods included.

1 Oscillations and Waves in Magnetically Ordered Matter.- 1.1 Magnetically ordered matter and its properties.- 1.2 Oscillation processes in ferromagnetic materials The Landau-Lifhitz equation Eigenoscillations of the magnetization vector.- 1.3 Forced oscillations of the magnetization vector High-frequency magnetic susceptibility Ferromagnetic resonance.- 1.4 Wave propagation in magnetized magnetic media.- 1.5 Basic equations and boundary conditions Magnetostatic approximation Walker's equation.- 2 Electrodynamics of Magnetostatic Waves.- 2.1 The method of setting up the dispersion equations for MSW in multilayer structures.- 2.2 Summary of basic dispersion formulae for magnetostatic waves in layers.- 2.3 Forward volume magnetostatic waves.- 2.4 Backward volume magnetostatic waves.- 2.5 Surface magnetostatic waves.- 2.6 Excitation of magnetostatic waves.- 3 Anisotropy of Magnetostatic Waves.- 3.1 Magnetostatic wave propagation at an arbitrary angle with regard to the magnetic field.- 3.2 Group velocity and anisotropy of group velocity of magnetostatic waves.- 3.3 Accumulation of energy and energy flux of magnetostatic waves Anisotropy of MSW energy flux.- 4 Quasioptics of Magnetostatic Waves.- 4.1 Beams of magnetostatic waves Reflection and refraction of magnetostatic waves.- 4.2 Quasioptical analogues of MSW microwave elements.- 4.3 MSW beam propagation considering diffraction phenomena.- 5 Nonlinear Properties of Magnetostatic Waves.- 5.1 Behaviour of magnetic media in a strong high-frequency magnetic field.- 5.2 Parametric excitation (amplification) of magnetostatic waves in magnetic materials.- 5.3 Nonlinear losses in MSW propagation.- 5.4 Lines loaded by ferrite with an inverse dynamic nonlinearity.- 6 Magnetostatic Wave Spectroscopy.- 6.1 Physical methods ofinvestigation of magnetostatic waves.- 6.2 Optical methods of investigation of magnetic excitations.- 6.3 High-frequency methods of MSW investigation.- 6.4 Diagnostics of magnetic materials by means of MSW.- 6.5 The spin wave line width ?Hk and nonlinear processes.- 7 Ferromagnetic Material and MSW Element Technology.- 7.1 Garnets.- 7.2 Garnet technology.- 7.3 Preparation of MSW excitation, receiving and control elements.- 7.4 Permanent magnets and electromagnets.- 7.5 Thin film permanent magnets.- 7.6 Design procedure for circuits with permanent magnets.- 8 High-Frequency MSW Elements.- 8.1 Properties of the pass band and dispersion of MSW transmission lines.- 8.2 Delay lines.- 8.3 High-frequency MSW filters.- 8.4 MSW resonators and their properties.- 8.5 Optomagnetic MSW elements.- 8.6 Nonlinear MSW elements.- References.